求助大学英语题.谢谢1. Most people have no real idea how to change to

求助大学英语题.谢谢
1. Most people have no real idea how to change to healthy food, and Maureen was no ________.
A. foundation
B. possibility
C. exception
D. ignorance



2. He always knew what time it was, as if by ________.
A. instinct
B. imagination
C. reaction
D. reality



3. He refuses to let others speak, as he ________ every meeting.
A. confronts
B. affects
C. attaches
D. dominates



4. The creating of the first steam-powered machine, by James Watt, was a(n) ________ idea that required thought and great effort.
A. spontaneous
B. original
C. previous
D. cautious



5. Young children have a limited attention ________ and can't focus on one activity for long.
A. range
B. span
C. reach
D. spread